What is the final step in a muscle contraction?

What will be an ideal response?


Answer: Myosin head will pull actin head past

Biology & Microbiology

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Neurons of which nervous system relay information about the external environment to the brain?

a. central b. somatic c. autonomic d. sympathetic e. parasympathetic

Biology & Microbiology

A developing nation with a rapidly increasing population is reaching its carrying capacity. What change(s) could allow it to increase its carrying capacity? (Check all that apply)  

_____  a cultural shift to eating less meat _____  education for women _____  greater yield from agricultural crops _____  increased availability of birth control _____  water treatment plants Clarify question:   What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about the carrying capacity of a population? What other information is related to the question?  Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?  

Biology & Microbiology

For the study of a protein in detail, an effort is usually made to first:

A) conjugate the protein to a known molecule. B) determine its amino acid composition. C) determine its amino acid sequence. D) determine its molecular weight. E) purify the protein.

Biology & Microbiology

The nuclear lamina is built of proteins called

a. lamins. b. laminins. c. nucleins. d. nucleoplasmins.

Biology & Microbiology